CVE-2016-8399

Impact:
Moderate
Public Date:
2016-12-05
CWE:
CWE-20
Bugzilla:
1403833: CVE-2016-8399 kernel: net: Out of bounds stack read in memcpy_fromiovec
A flaw was found in the Linux networking subsystem where a local attacker with CAP_NET_ADMIN capabilities could cause an out-of-bounds memory access by creating a smaller-than-expected ICMP header and sending to its destination via sendto().

Find out more about CVE-2016-8399 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 6 and is planned to be addressed in future updates.

For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.

This issue doesn't affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5, 7 and MRG-2.

CVSS v2 metrics

Base Score 6.8
Base Metrics AV:L/AC:L/Au:S/C:C/I:C/A:C
Access Vector Local
Access Complexity Low
Authentication Single
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete

CVSS v3 metrics

CVSS3 Base Score 7.8
CVSS3 Base Metrics CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity Impact High
Availability Impact High

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux for Real Time for NFV (v. 7) (kernel-rt) RHSA-2017:2931 2017-10-19
Red Hat Enterprise Linux 6 (kernel) RHSA-2017:0817 2017-03-21
Red Hat Enterprise Linux 7 (kernel) RHSA-2017:2930 2017-10-19
Red Hat Enterprise Linux Extended Update Support 6.7 (kernel) RHSA-2017:0869 2017-04-04

Affected Packages State

Platform Package State
Red Hat Enterprise MRG 2 realtime-kernel Not affected
Red Hat Enterprise Linux 5 kernel Not affected

Last Modified
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